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Undertow OutOfMemory when parsing form data encoding with application/x-www-form-urlencoded

🗓️ 03 Dec 2025 21:31:04Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 4 Views

Undertow may cause memory exhaustion when parsing form data in application/x-www-form-urlencoded.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: DevOps Test Performance contains a vulnerability related to use of the Undertow web server component
10 Apr 202614:14
–ibm
IBM Security Bulletins		Security Bulletin: IBM Terracotta is affected by two Undertow vulnerabilities that could allow remote denial of service attacks and Host header manipulation leading to cache poisoning or session hijacking
23 Feb 202619:06
–ibm
IBM Security Bulletins		Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Undertow
24 Mar 202619:29
–ibm
ATTACKERKB		CVE-2024-3884
3 Dec 202518:40
–attackerkb
Chainguard		CVE-2024-3884 vulnerabilities
27 Jan 202601:17
–cgr
Circl		CVE-2024-3884
3 Dec 202519:29
–circl
CNNVD		Red Hat Undertow 输入验证错误漏洞
3 Dec 202500:00
–cnnvd
CVE		CVE-2024-3884
3 Dec 202518:40
–cve
Cvelist		CVE-2024-3884 Undertow: outofmemory when parsing form data encoding with application/x-www-form-urlencoded
3 Dec 202518:40
–cvelist
Debian CVE		CVE-2024-3884
3 Dec 202518:40
–debiancve
Rows per page
Vulners
Node
io.undertowundertow-coreRange2.3.0.Alpha1–2.3.21.Finalmaven
OR
io.undertowundertow-coreRange<2.2.39.Finalmaven
OR
io.undertowundertow-coremaven

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30 Mar 2026 12:33Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00126
SSVC
CWE-20
undertowmemory exhaustionform encodingform data
4